Home / 20,183.29-30,276.07-6,143.77

Finding the Fourth Proportional to 20,183.29, 30,276.07 and 6,143.77

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Solution

The fourth proportional to 20,183.29, 30,276.07 and 6,143.77 is: 9,216.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.29 : 30,276.07 = 6,143.77 : x
  2. Step 2: Convert to fraction form
    20,183.29/30,276.07 = 6,143.77/x
  3. Step 3: Cross multiply
    20,183.29x = 30,276.07 × 6,143.77
  4. Step 4: Simplify right side
    20,183.29x = 186,009,210.58
  5. Step 5: Solve for x
    x = 186,009,210.58/20,183.29
  6. Step 6: Final answer
    x = 9,216.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.